| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Elysia SMITH | 14 | Louth | 42.05 |
| 2 | 2 | Karolina PARKINSON | 14 | Lincoln Vulc | 40.75 |
| 3 | 3 | Sophie COOKSEY | 14 | Louth | 40.32 |
| 4 | 4 | Isobel ALLSOP | 14 | Grantham | 38.11 |
| 5 | 5 | Isla GRAY | 14 | Grantham | 38.64 |
| 6 | 6 | Evelyn RUSSELL | 14 | Lincoln Vulc | 40.35 |
| 7 | 7 | Sophia SHACKLESTON | 14 | South Lincs | 41.23 |
| 8 | 8 | Jessica BARGH | 14 | Co Lincoln P | 42.13 |